University of Vermont

College of Medicine

Department of Surgery

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Division of Transplant Surgery and Immunology

Carlos Marroquin, MDJaime Pineda, MD

The Transplant Team is headed by Carlos Marroquin in coordination with transplant surgeon Jaime Pineda, Medical Director of Transplant Medicine in the Division of Nephrology Marios Prikis, Director of Pediatric Nephrology Ann Guillot, Transplant Coordinators Stephyne Burke, Colleen Long, and Lydia Demag, Social Worker Mary Sapienza, Dietician Rachel Preston, Pharmacist Julie MacDougall, Medical Assistants Lisa West and Erin Fregeau, Operations Support Specialist Amy Sharpe and Surgical Clinical Office Assistant Sarah Cyr.


The transplant team is committed to providing education to residents and students to ensure that the most current and appropriate treatments are delivered to our patients. This education is in the form of didactic lectures and clinical teaching. Lectures are given to the medical students (both in the clinical and pre-clinical years) and residents. In addition to the structured lectures and bedside teaching, the students and residents are provided with access to, and expected to make use of, the American Society of Transplant Surgery (ASTS) online educational curriculum.


The field of Transplantation Surgery is evolving at a tremendous rate. The spectacular success of organ transplantation over the last few decades has saved, lengthened and immeasurably improved thousands of lives. The first transplant at The University of Vermont Medical Center occurred on March 6th, 1972.

Currently, we provide the following options for kidney transplantation: Deceased Donor transplantation, Living Donor transplantation, High Risk/Highly Sensitized Protocols and Pediatric Kidney Transplantation. Nearly all of our living donors undergo either fully laparoscopic or single incision laparoscopic (SILS™) donor nephrectomy.

Additionally, pancreas transplantation in any of the following combinations may be offered: Simultaneous Kidney-Pancreas, Pancreas after Kidney and Pancreas alone. These pancreas transplants are done for patients with Type 1 diabetes mellitus who have secondary complications. A successful pancreas transplant means that the recipient’s glucose remains normal without insulin injections. Our pancreas program is currently the largest in the region.

We are also actively involved in transplant immunosuppression research studies to ensure that our patients have access to the most current medications available.

Patient Care

Experienced and highly trained transplant surgeons, nurses and support staff help work with patients, their family and friends through evaluations, operations and post-surgical follow-ups to assure high quality care. Services available through The University of Vermont Medical Center's Transplant Surgery program:

  • Kidney Transplant Surgery
  • Pancreas Transplant Surgery
  • Simultaneous Kidney-Pancreas (SPK) Transplant Surgery
  • Hepatobiliary Surgery
  • Adrenal Surgery

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Last modified May 23 2016 12:15 PM